Simulating THM Precursors Transport with DWRDSM

by Paul H. Hutton, California Dep of Water Resources, Sacramento, United States,
Christopher Enright, California Dep of Water Resources, Sacramento, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: A study was conducted by the California Department of Water Resources (DWR) to demonstrate the ability of its Delta Simulation Model (DWRDSM) to simulate fate and movement of inorganic and organic trihalomethane (THM) precursors in the Sacramento-San Joaquin delta. This study was also conducted to illustrate how DWRDSM output may be used to predict quantities of THM species produced in treated delta drinking water under different planning scenarios. This paper focuses on the latter objective and describes a modeling system which estimates THM impacts based on transport simulation of bromide, dissolved organic carbon, and ultraviolet absorbance at 254 nm.

Subject Headings: Hydrologic models | Water resources | Water pollution | Water quality | Trihalomethanes | Water supply | Simulation models

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